[Xen-changelog] Add an install-time check for hotplug.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 7b97bc1d1c1d3b92b57fdc25bc555a4017531c23
# Parent  46f92c4fde1de5c33ce358d55addf22be91af980
Add an install-time check for hotplug.

The hotplug subsystem is currently needed for block devices to work, as
of changeset 6742:e9d01c5dc7b4d6b7cda9ade0d137ddb89bb204cc.  Add a
script to check for the presence of hotplug and warn if it isn't found.

Signed-off-by: Michael Vrable <mvrable@xxxxxxxxxxx>

diff -r 46f92c4fde1d -r 7b97bc1d1c1d tools/check/check_hotplug
--- /dev/null   Fri Sep 23 16:47:48 2005
+++ b/tools/check/check_hotplug Fri Sep 23 19:09:59 2005
@@ -0,0 +1,10 @@
+#!/bin/bash
+# CHECK-INSTALL
+
+function error {
+   echo
+   echo '  *** Check for the hotplug scripts (hotplug) FAILED'
+   exit 1
+}
+
+which hotplug 1>/dev/null 2>&1 || error

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